*{
	margin: 0;
	padding: 0;
}

.a{
	width: 900px;
	height: 640px;
	background: rgb(134,134,134);
	margin: 0 auto 0 auto;
}

.logo{
	width: 300px;
	height: 200px;
	margin: 0 auto 0 auto;
	background: url(../img/lc.png);
	background-size: 100%;
}

.jm{
	width: 300px;
	height: 200px;
	margin: 0 auto 0 auto;
	font-size: 12px;
	text-align: center;
	color: white;
}

.ps{
	font-size: 15px;
}
